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Finding the Fourth Proportional to 151,953.92, 209,608.72 and 91,482.56

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Solution

The fourth proportional to 151,953.92, 209,608.72 and 91,482.56 is: 126,193.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,953.92 : 209,608.72 = 91,482.56 : x
  2. Step 2: Convert to fraction form
    151,953.92/209,608.72 = 91,482.56/x
  3. Step 3: Cross multiply
    151,953.92x = 209,608.72 × 91,482.56
  4. Step 4: Simplify right side
    151,953.92x = 19,175,542,303.92
  5. Step 5: Solve for x
    x = 19,175,542,303.92/151,953.92
  6. Step 6: Final answer
    x = 126,193.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.